package com.sun.lg.servlet;

import com.sun.lg.factory.AnnoBeanFactory;
import com.sun.lg.factory.XmlBeanFactory;
import com.sun.lg.service.impl.TransferServiceImpl;
import com.sun.lg.utils.JsonUtils;
import com.sun.lg.factory.ProxyFactory;
import com.sun.lg.pojo.Result;
import com.sun.lg.service.TransferService;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet(name = "transferServlet", urlPatterns = "/transferServlet")
public class TransferServlet extends HttpServlet {

//    private TransferService transferService = (TransferService) XmlBeanFactory.getBean("transferService");
//    private ProxyFactory beanProxy = (ProxyFactory) XmlBeanFactory.getBean("proxyFactory");
//    private TransferService service = (TransferService) beanProxy.getObject(transferService);
    private TransferService service;

    @Override
    public void init() throws ServletException {
        service = (TransferService) AnnoBeanFactory.getBean("transferService");
    }

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        // 设置请求体的字符编码
        req.setCharacterEncoding("UTF-8");

        String fromCardNo = req.getParameter("fromCardNo");
        String toCardNo = req.getParameter("toCardNo");
        String moneyStr = req.getParameter("money");
        int money = Integer.parseInt(moneyStr);

        Result result = new Result();
        try {
            // 2. 调用service层方法
            service.transfer(fromCardNo, toCardNo, money);
            result.setStatus("200");
        } catch (Exception e) {
            e.printStackTrace();
            result.setStatus("201");
            result.setMessage(e.toString());
        }

        // 响应
        resp.setContentType("application/json;charset=utf-8");
        resp.getWriter().print(JsonUtils.object2Json(result));
    }
}